
How to Prepare for a Colonoscopy, Start to Finish
Preparing for a colonoscopy is mostly about timing: a clear-liquid day, split-dose prep, and a ride you arrange ahead. Here's the full day-by-day plan.

Preparing for a colonoscopy is mostly about timing: a clear-liquid day, split-dose prep, and a ride you arrange ahead. Here's the full day-by-day plan.

By the end of this guide you'll know which colorectal screening test fits your situation, exactly how to prepare for a colonoscopy, and what your results actually mean. You'll also understand what it should cost—and how to avoid a surprise bill on a screening that's supposed to be free.